3 December. New record found: 466758181 for bases 91869414, 6346128598129234 by Steve Worley.21 November. New record found: 360018361 for bases 1143370, 2350307676 by Dana Jacobsen, Marcin Panasiuk, and Wojciech Izykowski.17 October. New record found: 212321 for base 1948244569546278 by Sebastian Jaworowicz from PNT BOINC Team, Marcin Panasiuk, and Wojciech Izykowski.15 October. New record found: 192001 for base 1769236083487960 by Sebastian Jaworowicz, Marcin Panasiuk, and Wojciech Izykowski.10 July. If you participate in distributed SPRP search, you have the limited choice which record to beat. See here.2 July. New record found: 161701 for base 64390572806844 by Marcin Panasiuk and Wojciech Izykowski.10 June. More user-friendly solution checker.29 May. You can now participate in SPRP search. See details here.

2011

6 September. Added solution checker for 3, 4 and 5 bases (limited to solutions where the first base equals 2).18 August. Added RSS feed with news.8 August. Added solution checker for 1 and 2 bases.8 August. The website has been moved to http://miller-rabin.appspot.com - please update your bookmarks.23 July. Added historical Jaeschke's result for 1 base.21 July. Added historical Jaeschke's result for 4 bases.4 July. Added link to Jan Feitsma's SPSP database.28 June. Added result for 7 bases by Jim Sinclair.28 June. First version of this webpage, published at http://priv.ckp.pl/wizykowski/sprp.php